113220430 has 48 divisors (see below), whose sum is σ = 218358720. Its totient is φ = 42254784.

The previous prime is 113220427. The next prime is 113220439. The reversal of 113220430 is 34022311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284992 + ... + 285388.

It is an arithmetic number, because the mean of its divisors is an integer number (4549140).

Almost surely, 2^113220430 is an apocalyptic number.

113220430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113220430 is a deficient number, since it is larger than the sum of its proper divisors (105138290).

113220430 is a wasteful number, since it uses less digits than its factorization.

113220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 113220430 is about 10640.5089164006. The cubic root of 113220430 is about 483.7729708415.

Adding to 113220430 its reverse (34022311), we get a palindrome (147242741).

The spelling of 113220430 in words is "one hundred thirteen million, two hundred twenty thousand, four hundred thirty".